The Alphabetic Presentation Forms block spans U+FB00–U+FB4F, 80 codepoints in Plane 0 (Basic Multilingual Plane). 58 are assigned in Unicode 16.0; the other 22 are reserved for future characters.
By script: Hebrew (46), Latin (7), Armenian (5).
By general category: 44 other letters (Lo), 12 lowercase letters (Ll), 1 non-spacing marks (Mn), 1 math symbols (Sm).
The first 57 arrived in Unicode 1.1 (1993); later additions came in 3.0 (1).
23 characters here have compatibility decompositions: they are formatting variants of other characters and are replaced by them under NFKC and NFKD. See normalization.
34 characters here are precomposed and have canonical decompositions, so NFD splits them into a base letter plus combining marks. See normalization.
Most letters here are written right to left. See bidirectional text.